<template>
    <div class="app-header-sticky" :class="{show:y>=78}">
      <div class="container" v-show="y>=78">
        <RouterLink class="logo" to="/" />
        <AppHeaderNav />
        <div class="left">
          <RouterLink to="/" >品牌</RouterLink>
          <RouterLink to="/" >专题</RouterLink>
        </div>
      </div>
    </div>
  </template>
  
  <script>
  import AppHeaderNav from './app-header-nav'
  import { useWindowScroll } from '@vueuse/core'
  export default {
    name: 'AppHeaderSticky',
    components: { AppHeaderNav },
    setup () {
      const { y } = useWindowScroll()
      return { y }
    }
  }
  </script>
  


<!-- <template>
    <div class="app-header-sticky" :class="{show:y>=78}">
      <div class="container" v-show="y>=78">
        <RouterLink class="logo" to="/" />
        <AppHeaderNav />
        <div class="right">
          <RouterLink to="/" >品牌</RouterLink>
          <RouterLink to="/" >专题</RouterLink>
        </div>
      </div>
    </div>
  </template>
  
  <script>
import AppHeaderNav from './app-header-nav'
import { onMounted, ref } from 'vue'
export default {
  name: 'AppHeaderSticky',
  components: { AppHeaderNav },
  setup () {
    const y = ref(0)
    onMounted(()=>{
      window.onscroll = () => {
        const scrollTop = document.documentElement.scrollTop
        y.value = scrollTop
      }
    })
    return { y }
  }
}

  </script>  -->
  
  <style scoped lang='less'>
  .app-header-sticky {
    width: 100%;
    height: 80px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    background-color: #fff;
    border-bottom: 1px solid #e4e4e4;
   transform: translateY(-100%);
  opacity: 0;
  &.show {
    transition: all 0.3s linear;
    transform: none;
    opacity: 1;
  }
    .container {
      display: flex;
      align-items: center;
    }
    .logo {
      width: 200px;
      height: 80px;
      background: url(../assets/images/logo.png) no-repeat  right 2px;
      background-size: 160px auto;
    }
    .right {
      width: 220px;
      display: flex;
      text-align: center;
      padding-left: 40px;
      border-left: 2px solid @xtxColor;
      a {
        width: 38px;
        margin-right: 40px;
        font-size: 16px;
        line-height: 1;
        &:hover {
          color: @xtxColor;
        }
      }
    }
  }
  </style>
  
 